Citation: Keefer, K D; Hochella, M F jr.; de Jong, B H W S (1981). The Structure of the Magnesium Hydroxide Sulfate Hydrate Mg S O~4~ (Mg (O H)~2~)~.3333~ (H~2~ O)~.3333~. Acta Crystallographica B (24,1968-38,1982), 37, pp. 1003-1006.
Formula: H1.3332 Mg1.3333 O4.9999 S
Chemical name:Magnesium hydroxide sulfate hydrate (1.3/.7/1/.3)